<?php
$red=array();
$red_num=range(1,33);
$keys=array_rand($red_num,6);
shuffle($keys);
foreach($keys as $v) {
    $red[] = $red_num[$v] < 10 ? ('0' . $red_num[$v]) : $red_num[$v];
}
    $blue_num=rand(1,16);
    $blue=$blue_num<10 ? ('0'.$blue_num):$blue_num;
    foreach($red as $v){
    echo $v.'';
    }
echo $blue;

